body,
    html {
      padding: 0;
      margin: 0;
      height: 100%;
    }
    .custom-background {
      background-image: url("https://terryssmallengines615.com/2/resources/site_images/grass4.jpg");
      background-position: left top; background-size: cover;
      background-repeat: no-repeat; background-attachment: fixed;
    }
    .overlay {
      background: url("https://terryssmallengines615.com/2/resources/site_images/grass4.jpg");
      height: 100%;
      position: relative;
      background-size: cover;
    }    
    
    
    
    div.TopNotice {
      margin: 30px;
      background-color: #ffffff;
      border: 1px solid black;
      opacity: 0.6;
    }
    
    div.TopNotice p {
      margin: 1%;
      font-weight: bold;
      color: #ea632d;
      font-size: 30px;
      text-align: center;
    }
    
    .bentest h1 {
      background-color: #000;
      color: #fff;
      mix-blend-mode: multiply;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      padding: 16px;
      border-radius: 8px;
      font-family: arial;
      font-size: 3em;
      margin: 0;
      opacity: 0.9;
      box-shadow: 0 0 16px #000, 0 0 32px #000;
    }